Trump had said that U.S. District Judge Gonzalo Curiel, who is presiding over cases against Trump University in California, has a conflict of interest because of his “Mexican heritage.” The businessman has railed against Hispanics since he launched his campaign, when he infamously stated that some undocumented immigrants were “rapists” and “criminals.”

Johnson once said that he would support the nominee “and obviously it looks like that will be Mr. Trump,” but later clarified that he would support, not endorse the real estate mogul.